I
1. B
2. C
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II
1. B ( từ đồng nghĩa)
2. D ( từ đồng nghĩa)
3. Đồng nghĩa: D, trái nghĩa: B
4. Trái nghĩa: A
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II
1. It was not until 2006 that she became a singer.
2. It was not until my son was five that he started talking.
3. It was not until midnight that we went to bed.
4. It was not until Lan was 35 that she went abroad.
5. It was not until the teacher came that the boy stopped singing.